IL295013B2 - An encoder, a decoder and corresponding methods for adaptive loop filtering - Google Patents

An encoder, a decoder and corresponding methods for adaptive loop filtering

Info

Publication number
IL295013B2
IL295013B2 IL295013A IL29501322A IL295013B2 IL 295013 B2 IL295013 B2 IL 295013B2 IL 295013 A IL295013 A IL 295013A IL 29501322 A IL29501322 A IL 29501322A IL 295013 B2 IL295013 B2 IL 295013B2
Authority
IL
Israel
Prior art keywords
decoder
encoder
loop filtering
adaptive loop
corresponding methods
Prior art date
Application number
IL295013A
Other languages
Hebrew (he)
Other versions
IL295013A (en
IL295013B1 (en
Inventor
Anand Meher Kotra
Semih Esenlik
Han Gao
Biao Wang
Elena Alexandrovna Alshina
Original Assignee
Huawei Tech Co Ltd
Anand Meher Kotra
Semih Esenlik
Han Gao
Biao Wang
Elena Alexandrovna Alshina
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd, Anand Meher Kotra, Semih Esenlik, Han Gao, Biao Wang, Elena Alexandrovna Alshina filed Critical Huawei Tech Co Ltd
Publication of IL295013A publication Critical patent/IL295013A/en
Publication of IL295013B1 publication Critical patent/IL295013B1/en
Publication of IL295013B2 publication Critical patent/IL295013B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IL295013A 2020-01-24 2021-01-21 An encoder, a decoder and corresponding methods for adaptive loop filtering IL295013B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2020051788 2020-01-24
PCT/CN2021/073233 WO2021147981A1 (en) 2020-01-24 2021-01-22 An encoder, a decoder and corresponding methods for adaptive loop filtering

Publications (3)

Publication Number Publication Date
IL295013A IL295013A (en) 2022-09-01
IL295013B1 IL295013B1 (en) 2025-12-01
IL295013B2 true IL295013B2 (en) 2026-04-01

Family

ID=76993179

Family Applications (1)

Application Number Title Priority Date Filing Date
IL295013A IL295013B2 (en) 2020-01-24 2021-01-21 An encoder, a decoder and corresponding methods for adaptive loop filtering

Country Status (13)

Country Link
US (2) US12267491B2 (en)
EP (1) EP4085639A4 (en)
JP (1) JP2023511206A (en)
KR (2) KR20260019665A (en)
CN (2) CN116208773B (en)
AU (1) AU2021210471A1 (en)
BR (1) BR112022014636A2 (en)
CL (1) CL2022001991A1 (en)
IL (1) IL295013B2 (en)
MX (1) MX2022009122A (en)
UA (1) UA129306C2 (en)
WO (1) WO2021147981A1 (en)
ZA (1) ZA202208537B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102619404B1 (en) 2019-12-11 2023-12-28 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Sample padding for cross-component adaptive loop filtering
US11394967B2 (en) * 2020-04-26 2022-07-19 Tencent America LLC Geometric cross-component filtering
KR102846913B1 (en) * 2020-06-30 2025-08-14 두인 비전 컴퍼니 리미티드 Boundary locations for adaptive loop filtering
US12439037B2 (en) * 2022-12-22 2025-10-07 Qualcomm Incorporated Area optimized storage scheme for cross-component adaptive loop filtering

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KR20110015356A (en) 2009-08-07 2011-02-15 한국전자통신연구원 An apparatus and method for encoding / decoding video using adaptive transform encoding / quantization region based on the characteristics of differential signal
GB2501535A (en) 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US10694214B2 (en) * 2012-12-21 2020-06-23 Qualcomm Incorporated Multi-type parallelized sample adaptive offset in video coding
GB2516424A (en) * 2013-07-15 2015-01-28 Nokia Corp A method, an apparatus and a computer program product for video coding and decoding
EP3138293A4 (en) 2014-04-29 2017-05-24 Microsoft Technology Licensing, LLC Encoder-side decisions for sample adaptive offset filtering
KR20180014675A (en) * 2016-08-01 2018-02-09 한국전자통신연구원 Method and apparatus for encoding/decoding image and recording medium for storing bitstream
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
EP3750307B1 (en) * 2018-03-09 2023-10-04 Huawei Technologies Co., Ltd. Method and apparatus for image filtering with adaptive multiplier coefficients
PL3756346T3 (en) * 2018-03-09 2022-02-21 Huawei Technologies Co., Ltd. METHOD AND DEVICE FOR FILTERING AN IMAGE WITH ADAPTIVE MULTIPLIER FACTORS
US11451773B2 (en) * 2018-06-01 2022-09-20 Qualcomm Incorporated Block-based adaptive loop filter (ALF) design and signaling
EP3799694A1 (en) * 2018-07-06 2021-04-07 Huawei Technologies Co., Ltd. A picture encoder, a picture decoder and corresponding methods
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk An adaptive loop filter
CA3129687A1 (en) 2019-12-24 2021-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Virtual boundary processing for adaptive loop filtering
US11303892B2 (en) * 2020-01-23 2022-04-12 Qualcomm Incorporated Adaptive rounding for loop filters

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANDERSSON (ERICSSON) K ET AL, FIX FOR ALF VIRTUAL BOUNDARY PROCESSING, 27 December 2019 (2019-12-27) *
BENJAMIN BROSS ET AL, VERSATILE VIDEO CODING (DRAFT 7), 14 November 2019 (2019-11-14) *

Also Published As

Publication number Publication date
JP2023511206A (en) 2023-03-16
IL295013A (en) 2022-09-01
EP4085639A4 (en) 2023-03-22
BR112022014636A2 (en) 2022-10-11
CN115836527A (en) 2023-03-21
KR20260019665A (en) 2026-02-10
KR102919379B1 (en) 2026-01-27
MX2022009122A (en) 2022-10-27
IL295013B1 (en) 2025-12-01
CN116208773B (en) 2024-07-05
US20220377326A1 (en) 2022-11-24
EP4085639A1 (en) 2022-11-09
ZA202208537B (en) 2023-05-31
CL2022001991A1 (en) 2023-01-27
US12267491B2 (en) 2025-04-01
AU2021210471A1 (en) 2022-08-25
UA129306C2 (en) 2025-03-12
CN116208773A (en) 2023-06-02
WO2021147981A1 (en) 2021-07-29
CA3165820A1 (en) 2021-07-29
KR20220127314A (en) 2022-09-19
US20250203070A1 (en) 2025-06-19
NZ790892A (en) 2025-03-28

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